Jin-Ha Yoon is a physician board-certified in occupational and environmental medicine. He is working to find relationships between occupational disease and workplace environmental. Dr. Yoon received his M.D. from Yonsei University in 2007 and his Ph.D. from Yonsei University Graduate School in 2012. He is currently an associate professor at Yonsei University College of Medicine. His research interests include Occupational Health, social determinants, Gig economy workers, and Occupational Big data cohorts.